Home / 2,190.47-3,287.66-1,095.44

Finding the Fourth Proportional to 2,190.47, 3,287.66 and 1,095.44

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Solution

The fourth proportional to 2,190.47, 3,287.66 and 1,095.44 is: 1,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.47 : 3,287.66 = 1,095.44 : x
  2. Step 2: Convert to fraction form
    2,190.47/3,287.66 = 1,095.44/x
  3. Step 3: Cross multiply
    2,190.47x = 3,287.66 × 1,095.44
  4. Step 4: Simplify right side
    2,190.47x = 3,601,412.35
  5. Step 5: Solve for x
    x = 3,601,412.35/2,190.47
  6. Step 6: Final answer
    x = 1,644.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.